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128 lines
3.9 KiB
C
128 lines
3.9 KiB
C
// Copyright 2017 plutoo
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#pragma once
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#include "../types.h"
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#include "../services/sm.h"
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// We use wrapped handles for type safety.
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#define FS_MAX_PATH 0x301
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/// For use with fsMountSaveData().
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#define FS_MOUNTSAVEDATA_INVAL_DEFAULT 0x1
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/// For use with FsSave.
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#define FS_SAVEDATA_CURRENT_TITLEID 0
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/// For use with FsSave.
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#define FS_SAVEDATA_USERID_COMMONSAVE 0
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typedef struct {
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Handle h;
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} FsFileSystem;
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typedef struct {
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Handle h;
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} FsFile;
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typedef struct {
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Handle h;
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} FsDir;
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typedef struct {
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Handle h;
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} FsStorage;
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/// Directory entry.
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typedef struct
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{
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char name[FS_MAX_PATH]; ///< Entry name.
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u8 pad[3];
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s8 type; ///< See FsEntryType.
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u8 pad2[3]; ///< ?
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u64 fileSize; ///< File size.
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} FsDirectoryEntry;
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/// Save Struct
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typedef struct
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{
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u64 titleID; ///< titleID of the savedata to access when accessing other titles' savedata via SaveData, otherwise FS_SAVEDATA_CURRENT_TITLEID.
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u128 userID; ///< userID of the user-specific savedata to access, otherwise FS_SAVEDATA_USERID_COMMONSAVE. See account.h.
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u64 saveID; ///< saveID, 0 for SaveData.
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u64 ContentStorageId; ///< ContentStorageId? See FsContentStorageId.
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u64 unk_x28; ///< 0 for SystemSaveData/SaveData.
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u64 unk_x30; ///< 0 for SystemSaveData/SaveData.
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u64 unk_x38; ///< 0 for SystemSaveData/SaveData.
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} PACKED FsSave;
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typedef enum {
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ENTRYTYPE_DIR = 0,
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ENTRYTYPE_FILE = 1
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} FsEntryType;
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typedef enum
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{
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FS_OPEN_READ = BIT(0), ///< Open for reading.
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FS_OPEN_WRITE = BIT(1), ///< Open for writing.
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FS_OPEN_APPEND = BIT(2), ///< Append file.
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} FsFileFlags;
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/// For use with fsFsOpenDirectory.
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typedef enum
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{
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FS_DIROPEN_DIRECTORY = BIT(0), ///< Enable reading directory entries.
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FS_DIROPEN_FILE = BIT(1), ///< Enable reading file entries.
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} FsDirectoryFlags;
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typedef enum
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{
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FS_CONTENTSTORAGEID_NandSystem = 0,
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FS_CONTENTSTORAGEID_NandUser = 1,
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FS_CONTENTSTORAGEID_SdCard = 2,
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} FsContentStorageId;
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Result fsInitialize(void);
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void fsExit(void);
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Service* fsGetServiceSession(void);
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Result fsMountSdcard(FsFileSystem* out);
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Result fsMountSaveData(FsFileSystem* out, u8 inval, FsSave *save);
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// todo: Rest of commands here
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/// FsFileSystem can be mounted with fs_dev for use with stdio, see fs_dev.h.
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/// Wrapper(s) for fsMountSaveData.
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/// See FsSave for titleID and userID.
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Result fsMount_SaveData(FsFileSystem* out, u64 titleID, u128 userID);
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// IFileSystem
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Result fsFsCreateFile(FsFileSystem* fs, const char* path, size_t size, int flags);
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Result fsFsDeleteFile(FsFileSystem* fs, const char* path);
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Result fsFsCreateDirectory(FsFileSystem* fs, const char* path);
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Result fsFsDeleteDirectory(FsFileSystem* fs, const char* path);
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Result fsFsDeleteDirectoryRecursively(FsFileSystem* fs, const char* path);
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Result fsFsRenameFile(FsFileSystem* fs, const char* path0, const char* path1);
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Result fsFsRenameDirectory(FsFileSystem* fs, const char* path0, const char* path1);
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Result fsFsGetEntryType(FsFileSystem* fs, const char* path, FsEntryType* out);
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Result fsFsOpenFile(FsFileSystem* fs, const char* path, int flags, FsFile* out);
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Result fsFsOpenDirectory(FsFileSystem* fs, const char* path, int flags, FsDir* out);
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Result fsFsCommit(FsFileSystem* fs);
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Result fsFsGetFreeSpace(FsFileSystem* fs, const char* path, u64* out);
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Result fsFsGetTotalSpace(FsFileSystem* fs, const char* path, u64* out);
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void fsFsClose(FsFileSystem* fs);
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// IFile
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Result fsFileRead(FsFile* f, u64 off, void* buf, size_t len, size_t* out);
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Result fsFileWrite(FsFile* f, u64 off, const void* buf, size_t len);
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Result fsFileFlush(FsFile* f);
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Result fsFileSetSize(FsFile* f, u64 sz);
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Result fsFileGetSize(FsFile* f, u64* out);
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void fsFileClose(FsFile* f);
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// IDirectory
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Result fsDirRead(FsDir* d, u64 inval, size_t* total_entries, size_t max_entries, FsDirectoryEntry *buf);
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Result fsDirGetEntryCount(FsDir* d, u64* count);
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void fsDirClose(FsDir* d);
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// todo: IStorage
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